PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6DAutocollimator

Nikon Inc Dba Nikon Americas Inc · NSN 6650-01-357-6859 · FSC 6650 · No Item Name Available
Verified by PartsTable
NSN 6650-01-357-6859 — this item is cataloged by the U.S. Government under National Stock Number 6650-01-357-6859. Primary manufacturer part number: 6D.
Features
  • Autocollimator — FSC 6650
  • General Characteristics Item Description: MAGNIFICATION 38X; OBJECTIVE 1 EQUALS 700MM,EFFECTIVE APERTURE 70MM; DARKFIELD FOR 6D; CALIBRATIONS IN VIEWFIELD AND MICROMETER; MEASURING RANGE 30 MINUTES OF ARC(ON BOTH VERTICAL AND HORIZONTAL AXES); MINIMUM READING 0.5 SECONDS OF ARC; MEASURING ACCURACY 0.5SECONDS OF ARC MEASURING,1.0 SECONS OF ARC FOR MEASURING RANGE WITHIN 30 MINUTES OF ARC; LIGHT SOURCE 6V,15W SPECIAL ELECTRIC BULB; POWER INPUT 100-120V,220-240V; 68.0 X 490MM BODY;30KG V
  • 1 verified cross-reference
  • Primary manufacturer: Nikon Inc Dba Nikon Americas Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Autocollimator, cataloged under National Stock Number 6650-01-357-6859, is classified within Federal Supply Class 6650 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Nikon Inc Dba Nikon Americas Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6650-01-357-6859
Primary Part Number6D
Item NameAutocollimator
FSC / FSG6650 / 66 — No Item Name Available
ManufacturerNikon Inc Dba Nikon Americas Inc
StatusACTIVE
General Characteristics Item DescriptionMAGNIFICATION 38X; OBJECTIVE 1 EQUALS 700MM,EFFECTIVE APERTURE 70MM; DARKFIELD FOR 6D; CALIBRATIONS IN VIEWFIELD AND MICROMETER; MEASURING RANGE 30 MINUTES OF ARC(ON BOTH VERTICAL AND HORIZONTAL AXES); MINIMUM READING 0.5 SECONDS OF ARC; MEASURING ACCURACY 0.5SECONDS OF ARC MEASURING,1.0 SECONS OF ARC FOR MEASURING RANGE WITHIN 30 MINUTES OF ARC; LIGHT SOURCE 6V,15W SPECIAL ELECTRIC BULB; POWER INPUT 100-120V,220-240V; 68.0 X 490MM BODY;30KG V
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5305-00-017-98426D INTERCHANGEABLE
Screw,cap,hexagon Head
Dana Corp Spicer Transmission Div
3540-00-223-858971000 INTERCHANGEABLE
Sealer,steel Strapping,hand
Shipping Room Products Inc
5342-00-394-65226D INTERCHANGEABLE
Bracket,burner Head
Bethlehem Corporation
1680-01-539-020160S906D-00 INTERCHANGEABLE
Plug,armor,panel,aircraft
Point Blank Enterprises, Inc. Dba the Protective Group Div the Protective Group, a Point Blank Company
Cross-Reference Index
Part NumberManufacturer
6D PRIMARY Nikon Inc Dba Nikon Americas Inc (USA)
Related Parts
5305-00-017-9842INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
6D
3540-00-223-8589INTERCHANGEABLE
SEALER,STEEL STRAPPING,HAND
71000
5342-00-394-6522INTERCHANGEABLE
BRACKET,BURNER HEAD
6D
1680-01-539-0201INTERCHANGEABLE
PLUG,ARMOR,PANEL,AIRCRAFT
60S906D-00

Frequently Asked Questions

What is NSN 6650-01-357-6859?

NSN 6650-01-357-6859 is a Autocollimator, manufactured by Nikon Inc Dba Nikon Americas Inc, classified under FSC 6650 (No Item Name Available). Status: active.

What are the part numbers for NSN 6650-01-357-6859?

NSN 6650-01-357-6859 has 1 cross-referenced part number: 6D (Nikon Inc Dba Nikon Americas Inc).

What NSN replaces 6650-01-357-6859?

There are 4 known substitutes for 6650-01-357-6859: 5305-00-017-9842, 3540-00-223-8589, 5342-00-394-6522 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6D?

Key specifications for 6D: General Characteristics Item Description: MAGNIFICATION 38X; OBJECTIVE 1 EQUALS 700MM,EFFECTIVE APERTURE 70MM; DARKFIELD FOR 6D; CALIBRATIONS IN VIEWFIELD AND MICROMETER; MEASURING RANGE 30 MINUTES OF ARC(ON BOTH VERTICAL AND HORIZONTAL AXES); MINIMUM READING 0.5 SECONDS OF ARC; MEASURING ACCURACY 0.5SECONDS OF ARC MEASURING,1.0 SECONS OF ARC FOR MEASURING RANGE WITHIN 30 MINUTES OF ARC; LIGHT SOURCE 6V,15W SPECIAL ELECTRIC BULB; POWER INPUT 100-120V,220-240V; 68.0 X 490MM BODY;30KG V. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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